Seagate BARRACUDA 2LP ST32550W/WD/WC/DC user manual

User manual for the device Seagate BARRACUDA 2LP ST32550W/WD/WC/DC

Device: Seagate BARRACUDA 2LP ST32550W/WD/WC/DC
Category: Computer Monitor
Manufacturer: Seagate
Size: 0.33 MB
Added : 10/8/2013
Number of pages: 52
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

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BARRACUDA 2LP
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Disc Drive
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ST31250N/ND
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ST31250W/WD/WC/DC
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ST32550N/ND
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ST32550W/WD/WC/DC
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Installation Guide
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Summary of the content on the page No. 2

Contents Preface .................................................................. 1 Electrostatic discharge protection ........................... 1 Important safety information and precautions ......... 2 Wichtige Sicherheitshinweise ............................... 5 Technical support services ..................................... 10 General description ................................................ 13 Initial setup information ........................................... 19 Kühlung des Syst

Summary of the content on the page No. 3

Barracuda 2LP Installation Guide, Rev. E 1 Preface This manual contains information for users of the ® Seagate ST31250 and ST32550 Barracuda™ 2LP SCSI disc drives. It provides support services, performance specifications, and initial setup information. Additional information is available in the Barracuda 2LP Product Manual (pa rt number 83328930). Contact your Seagate sales representative if you need to order this publica- tion. Electrostatic discharge protection Caution. Removal of circuit boar

Summary of the content on the page No. 4

2 Barracuda 2LP Installation Guide, Rev. E • Ground yourself to the drive whenever the drive elec- tronics are or will be exposed. Connect yourself to ground with a wrist strap (Seagate part number 12263496). Connection may be made to any grounded metal assembly. As a general rule, remember that you and the drive electronics must all be grounded to avoid potentially damaging static discharges. • Turn off the power before removing or installing the DC power cable. • Do not remove any circuit boar

Summary of the content on the page No. 5

Barracuda 2LP Installation Guide, Rev. E 3 The procedures in this manual and labels on the unit contain warnings and cautions that must be carefully read and followed to minimize or eliminate the risk of personal injury. The warnings point out conditions or practices that may endanger you or others. The cautions point out conditions or practices that may damage the unit, possibly making it unsafe for use. These warnings and cautions are not exhaustive. We cannot possibly know, evaluate, and advi

Summary of the content on the page No. 6

4 Barracuda 2LP Installation Guide, Rev. E • Ensure that the internal temperature of the rack or cabinet does not exceed the limits defined for the drive when the drive is mounted in an equipment rack or cabinet. When units are stacked vertically, pay special attention to the top where temperatures are usually highest. • Follow the precautions listed above in “Electrostatic discharge protection.” • Do not remove any circuit boards from the drive chas- sis. Return the entire drive for depot repai

Summary of the content on the page No. 7

Barracuda 2LP Installation Guide, Rev. E 5 Typical applications of these disc drives include cus- tomer packaging and subsystem design. Safety agen- cies conditionally certify component assemblies, such as the Barracuda disc drive, based on their final acceptabil- ity in the end-use product. The subsystem designers are responsible for meeting these conditions of acceptability in obtaining safety/regulatory agency compliance in their end-use products and for certifying where required by law. A ne

Summary of the content on the page No. 8

6 Barracuda 2LP Installation Guide, Rev. E werden. Wir empfehlen die Verfahren in diesem Handbuch als effektive Methoden zur Wartung und Reparatur der Einheit. Einige Verfahren erfordern Spezialwerkzeuge; diese müssen zur sachgemäßen Ausführung der Wartungsarbeiten und aus Sicherheitsgründen den Empfehlungen entsprechend verwendet werden. Die Verfahren in diesem Handbuch und die Aufkleber auf dem Gerät enthalten Warn- und Vorsichtshinweise. Diese Hinweise sind sorgfältig durchzulesen und zu beac

Summary of the content on the page No. 9

Barracuda 2LP Installation Guide, Rev. E 7 persönliche Sicherheit noch die Leistung der Einheit gefährdet. Beachten Sie in jedem Fall die folgenden Warn-und Vorsichtshinweise: • Führen Sie alle Wartungsarbeiten entsprechend den Anweisungen in diesem Handbuch aus. • Beachten Sie alle Warn- und Vorsichtshinweise in diesem Handbuch. • Treffen Sie beim Betrieb oder bei der Reparatur der Einheit angemessene Sicherheitsvorkehrungen. • Wenn eine Einheit unter Spannung steht, gehen Sie bei der Fehlerdia

Summary of the content on the page No. 10

8 Barracuda 2LP Installation Guide, Rev. E • Befolgen Sie die oben unter “Electrostatic Discharge Protection” angegebenen Sicherheitsmaßnahmen. • Nehmen Sie keine Platinen aus dem Laufwerkgehäuse. Wenn eine Platine defekt ist, muß das gesamte Laufwerk zur Reparatur eingeschickt werden. Die Herausnahme von Platinen durch anderePersonen als die für die werkseitige Reparatur zuständigen kann zu einer Beschädigung der Komponenten und Erlöschen des Garantieanspruchs führen. • Die vormontierte Kopf-

Summary of the content on the page No. 11

Barracuda 2LP Installation Guide, Rev. E 9 geltenden Standards zu gewährleisten. Zu den typischen Anwendungen dieser Festplattenwerke zählen Systemeinbau durch den Kunden und die Konstruktion von Untersystemen. Sicherheitsbehörden gewähren eine bedingte Zulassung für Komponenten wie das Barra- cuda-Festplattenlaufwerk vorbehaltlich der endgültigen Zulasssung im Endprodukt. Designer von Untersystemen sind dafür verantwortlich, die Voraussetzungen für die Einhaltung sicherheits- oder aufsichtsbeh

Summary of the content on the page No. 12

10 Barracuda 2LP Installation Guide, Rev. E Technical support services Seagate Technology provides technical support litera- ture and diagnostic utilities to authorized distributors. Please contact your dealer for technical support and installation troubleshooting. Product technical support is available for all Seagate products by calling the SeaFAX™, SeaFONE™, SeaTDD™, or SeaBOARD™ services. These are toll calls if you dial from outside of the number’s local dialing area. SeaFAX: USA (408) 438-

Summary of the content on the page No. 13

Barracuda 2LP Installation Guide, Rev. E 11 SeaFONE: (408) 438-8222 Technical support specialists are available from 8:00 A .M. to 5:00 P.M. PST, Monday through Friday. Recorded technical information on selected Seagate products is provided while you are on hold. Recordings are acces- sible 24 hours a day, 7 days a week. SeaTDD: (408) 438-5382 TDD is a telecommunication device for the deaf where two people can communicate using a keyboard con- nected to the phone line. A TDD device is required t

Summary of the content on the page No. 14

12 Barracuda 2LP Installation Guide, Rev. E Location Modem number USA, Mexico, Latin America (408) 438-8771 England 44-62-847-8011 Germany 49-89-140-9331 Singapore 65-292-6973 Australia 61-2-756-2359 Canada (416) 856-5581 France 33-1-40-67-1034 Korea 82-2-556-7294

Summary of the content on the page No. 15

Barracuda 2LP Installation Guide, Rev. E 13 General description Barracuda 2LP SCSI disc drives are high-speed, ran- dom-access digital-data storage devices. The drive is a component for installation in an enclosure designed for the drive. This is often a rack within the system or an external enclosure designed to house one or more disc drives or other peripheral units. In either case, the disc drive must receive adequate cooling (refer to “Providing adequate cooling”) and it must be suffi- cient

Summary of the content on the page No. 16

14 Barracuda 2LP Installation Guide, Rev. E Characteristics ST31250 ST32550 1 1 Interface Fast SCSI-2 Fast SCSI-2 Capacity Unformatted 1,205.3 Mbytes 2,541.3 Mbytes 2 Formatted 1,020.9 Mbytes 2,147.4 Mbytes Recording Cylinders (user) 3,711 3,510 Read/write data heads 5 11 Servo heads 1 1 Avg bytes/track 64,160 64,160 3 Seek time Average read 8.0 msec 8.0 msec Average write 9.0 msec 9.0 msec Disc rotation RPM 7,200 7,200 Average latency 4.17 msec 4.17 msec Internal transfer rate 47.5 to 72.0 49.4

Summary of the content on the page No. 17

Barracuda 2LP Installation Guide, Rev. E 15 1 Can also be operated according to SCSI-1 protocol. 2 Standard factory units are formatted as follows: 512 data bytes per sector 9 spare sectors per cylinder 1 cylinder at the innter track reserved for spares 3 Not including on-board controller overhead.

Summary of the content on the page No. 18

16 Barracuda 2LP Installation Guide, Rev. E DC power requirements Single-ended Differential 11 11 + + +5V + + +12V + + +5V + + +12V + + + + + + + + 5 2 2 Voltage regulation ± ± ± ± ± 5% ± ± ± ± ± 5% ± ± ± ± ± 5% ± ± ± ± ± 5% Amps 1 Maximum operating current 0.93 0.6 1.17 0.6 Maximum starting current 3, 6 Peak DC 0.93 1.35 1.00 1.35 3 Peak AC - 1.93 - 1.93 1,4 Delayed motor start (max) 0.88 0.12 0.92 0.12 Peak operating current 1, 10 Typ DC 0.91 0.57 1.13 0.57 1 Max DC 0.93 0.60 1.17 0.60 Max (pe

Summary of the content on the page No. 19

Barracuda 2LP Installation Guide, Rev. E 17 1 Measured with an average reading DC ammeter. Instanta- neous +12V current peaks will exceed these values. 2 A - 10% tolerance is permissible during initial start of the spindle but must return to ±5% before reaching 7,200 RPM. The ±5% must be maintained after the drive signifies that its power-up sequence has been completed and that the drive is able to accept selection by the host initiator. 3 See the +12V current profile in the Barracuda 2LP Produc

Summary of the content on the page No. 20

18 Barracuda 2LP Installation Guide, Rev. E 11 No terminator power. See Section 11.7.3.4 in the Barra- cuda 2LP Product Manual. 12 All power-saving features are enabled (ASA II code only). 13 Seeking is defined as a third-stroke seek at OD. The com- mand is issued every 20 msec. 14 Read track is defined as repeat reads of track 15 with a 78% duty cycle on N models, 32% duty cycle on W models, 48% duty cycle on WC models, 60% duty cycle on ND models, 44% duty cycle on WD models, and 44% duty cycl


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